Brand: John Aylesbury
Model: 9mm Filter
Length: 1.40 in. / 35.56 mm.
Material: Activated Carbon, Paper and Plastic
Counts: 40 / 250
Easy to use and change often.
For pipes calling for the 9mm, these fit nicely.
Great Filter - can use twice forwards or backward. After using the sides do not expand like other brads. A little pricy but worth it.